The baby’s stomach beat up like a drum sound may be the cause of flatulence formation, the cause of flatulence may be due to indigestion, intestinal dysfunction, gastroenteritis and other causes. 1. Indigestion: mainly because of their own digestive system is not very perfect, resulting in overfeeding and thus causing the burden of the digestive function of the intestinal flora disturbed the balance of the intestinal flora, there will be a feeling of bloating resulting in the baby’s stomach bulging clap like a drum sound. 2. Intestinal dysfunction: mainly because the newborn’s own gastrointestinal function is not very well developed, and immunity and resistance is weak, it is easy to cause the invasion of bacteria or viruses into the intestinal tract to cause intestinal flora disorders, bloating feeling. 3. Gastroenteritis: mainly because the immunity and resistance of newborns is weak, it is easy to cause bacteria to enter the body, stimulate the intestinal tract to cause damage, inflammation, breaking the balance of the intestinal tract, abdominal distension, abdominal pain. The baby’s stomach shoots up like a drum, it is recommended to seek medical attention in time to avoid delaying the condition.